Aerator



FIG. 1 is a perspective view of the aerator;

FIG. 2 is a front elevational view of the aerator;

FIG. 3 is a top plan view of the aerator;

FIG. 4 is a right side elevational view of the aerator, the left side elevational view being a mirror image;

FIG. 5 is a rear plan view; and,

FIG. 6 is a bottom view. 

The ornamental design for an aerator, as shown and described. 